MK Dent HC7022Push Button Type Turbine Buy 3 Premium Turbines Get 1 Free Part Number: A-1MKHC7022 In comparison to: Schein’s warranty: 6 months Schein’s price: $320-$400 Type Bearing Warranty Premium ABEC-9 Rated 1 Year Spindle 6 Month Bearing Premium Spindles with diamond-like hardness ensure the strongest clamping force Our Push Button Spindles withstand up to 36,000 cycles Our Spindles ensure persistent concentricity for longer precision – as sharp as its very first use! MK Dent Dental Push Button Turbine HC7022